NEW! BAY TO BAY 10K CHALLENGE
We have a new challenge and it’s called the Bay to Bay 10K Challenge! Participate in our San Francisco Marathon 10K on September 19th, 2021, then run the Berkeley Half Marathon 10K on February 27th. That’s all you have to do to qualify! As a bonus, you will receive a free in-training shirt, ready in time for you to start training for Berkeley (Early December 2021). Also, when you cross the finish line in Berkeley you will earn a coveted challenge pin! Start this new challenge and earn a new pin every year!